package com.LA_houseLease.admin.service.impl;


import com.LA_houseLease.admin.service.FileService;
import com.LA_houseLease.common.minio.MinioProperties;
import io.minio.*;
import io.minio.errors.*;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;
@Slf4j
@Service
public class FileServiceImpl implements FileService {

    @Autowired
    private MinioClient minioClient;
    @Autowired
    private MinioProperties Properties;

    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {

            boolean bucketExists = minioClient.bucketExists(BucketExistsArgs.builder()
                    .bucket(Properties.getBucketName())
                    .build());
            log.warn("图片上传----判断存储桶是否存在{}",bucketExists);

            if (!bucketExists) {
                minioClient.makeBucket(MakeBucketArgs.builder()
                        .bucket(Properties.getBucketName())
                        .build());
                String policy = """
                        {
                          "Statement" : [ {
                            "Action" : "s3:GetObject",
                            "Effect" : "Allow",
                            "Principal" : "*",
                            "Resource" : "arn:aws:s3:::%s/*"
                          } ],
                          "Version" : "2012-10-17"
                        }
                        """.formatted(Properties.getBucketName());
                minioClient.setBucketPolicy(SetBucketPolicyArgs.builder()
                        .bucket(Properties.getBucketName())
                        .config(policy)
                        .build());
            }
            String fileName = new SimpleDateFormat("yyyyMMdd").format(new Date())
                    + "/"
                    + UUID.randomUUID()
                    + "-"
                    + file.getOriginalFilename();
            //minioClient.uploadObject();  //这个方法只能上传本地文件
            minioClient.putObject(PutObjectArgs.builder()
                    .bucket(Properties.getBucketName())
                    .stream(file.getInputStream(), file.getSize(), -1)
                    .contentType(file.getContentType()) //设置文件类型
                    .object(fileName)//上传到minio后的文件名称（需要保证唯一）
                    .build());
            return Properties.getEndpoint()+"/"+Properties.getBucketName()+"/"+fileName;
    }
}


















